BBC: The Code

http://www.bbc.co.uk/code In episode one of The Code, Marcus du Sautoy explains the importance of irrational number pi and how any number you can possibly imagine will appear in the sequence somewhere.

http://www.bbc.co.uk/code In episode one of The Code, Marcus du Sautoy uses a fireball and a trebuchet to explain the rules of gravity and shows how analysing a flight using numbers helps us understand this fundamental law.

http://www.bbc.co.uk/code Marcus du Sautoy unveils The Code Challenge and asks you to join him on an exciting interactive treasure hunt that will lead the winner to a fascinating and unique prize. Watch the show, play the games, solve the clues and you co

http://www.bbc.co.uk/code Marcus du Sautoy reveals how the nautilus uses a simple mathematical principle to build an elegant spiral shell. Part of the BBC Two documentary The Code, he explains how spirals and the power of maths can be found throughout the

http://www.bbc.co.uk/code In episode two of The Code, Marcus du Sautoy meets bubble artist Tom Noddy and explains why the sphere is so special and why it's the most efficient shape found in the natural world.

http://www.bbc.co.uk/code In episode three of The Code, Marcus du Sautoy travels to Philadelphia to discover what the game rock, paper, scissors can tell us about human behaviour and how we are addicted to patterns that seep into everything we do.

http://www.bbc.co.uk/code In episode three of The Code, Marcus du Sautoy travels to Denmark to watch a flock of starlings as they make their annual migration from southern Europe to Scandinavia and marvels at their formation known as the black sun. He use

http://www.bbc.co.uk/code In episode three of The Code, Marcus du Sautoy discovers how Google has been able to harness people's search terms to make accurate predictions about the future - in particular how the number of searches around flu symptoms is an

http://www.bbc.co.uk/code In episode three of The Code, Marcus du Sautoy takes his life into his own hands to predict how far a 30kg ball will travel from a 5.5m high ramp. If he gets his sums wrong, he may not live to tell the tale...

http://www.bbc.co.uk/code In episode one of The Code, Marcus du Sautoy travels to Alabama to meet Dr John Cooley who explains how periodical cicadas rely on safety in numbers and rare appearances to avoid predators.

http://www.bbc.co.uk/code In episode two of The Code Marcus du Sautoy takes a look at the Platonic Solids - five perfectly symmetrical solids, central to Greek geometry, that may look familiar to us today - the tetrahedron, the cube, the octahedron, the d